#include "cyclonetcp.h"

//Ethernet interface configuration
#define APP_IF_NAME "eth0"
#define APP_HOST_NAME "http-client"
#define APP_MAC_ADDR "00-AB-CD-EF-04-29"

#define APP_USE_DHCP_CLIENT ENABLED
#define APP_IPV4_HOST_ADDR "10.57.101.130"
#define APP_IPV4_SUBNET_MASK "255.255.255.248"
#define APP_IPV4_DEFAULT_GATEWAY "10.57.101.129"
#define APP_IPV4_PRIMARY_DNS "8.8.8.8"
#define APP_IPV4_SECONDARY_DNS "8.8.4.4"

#define APP_USE_SLAAC ENABLED
#define APP_IPV6_LINK_LOCAL_ADDR "fe80::429"
#define APP_IPV6_PREFIX "2001:db8::"
#define APP_IPV6_PREFIX_LENGTH 64
#define APP_IPV6_GLOBAL_ADDR "2001:db8::429"
#define APP_IPV6_ROUTER "fe80::1"
#define APP_IPV6_PRIMARY_DNS "2001:4860:4860::8888"
#define APP_IPV6_SECONDARY_DNS "2001:4860:4860::8844"

//Global variables
DhcpClientSettings dhcpClientSettings;
DhcpClientContext dhcpClientContext;
SlaacSettings slaacSettings;
SlaacContext slaacContext;

void cyclonetcp_init(void)
{
	error_t error;
	NetInterface *interface;
	MacAddr macAddr;
	#if (APP_USE_DHCP_CLIENT == DISABLED)
		 Ipv4Addr ipv4Addr;
	#endif
	#if (APP_USE_SLAAC == DISABLED)
		 Ipv6Addr ipv6Addr;
	#endif
	
	//TCP/IP stack initialization
   error = netInit();
   //Any error to report?
   if(error)
   {
      //Debug message
      TRACE_ERROR("Failed to initialize TCP/IP stack!\r\n");
   }

   //Configure the first Ethernet interface
   interface = &netInterface[0];

   //Set interface name
   netSetInterfaceName(interface, APP_IF_NAME);
   //Set host name
   netSetHostname(interface, APP_HOST_NAME);
   //Set host MAC address
   macStringToAddr(APP_MAC_ADDR, &macAddr);
   netSetMacAddr(interface, &macAddr);
   //Select the relevant network adapter
   netSetDriver(interface, &stm32f4xxEthDriver);
   netSetPhyDriver(interface, &lan8720PhyDriver);

   //Initialize network interface
   error = netConfigInterface(interface);
   //Any error to report?
   if(error)
   {
      //Debug message
      TRACE_ERROR("Failed to configure interface %s!\r\n", interface->name);
   }

#if (IPV4_SUPPORT == ENABLED)
#if (APP_USE_DHCP_CLIENT == ENABLED)
   //Get default settings
   dhcpClientGetDefaultSettings(&dhcpClientSettings);
   //Set the network interface to be configured by DHCP
   dhcpClientSettings.interface = interface;
   //Disable rapid commit option
   dhcpClientSettings.rapidCommit = FALSE;

   //DHCP client initialization
   error = dhcpClientInit(&dhcpClientContext, &dhcpClientSettings);
   //Failed to initialize DHCP client?
   if(error)
   {
      //Debug message
      TRACE_ERROR("Failed to initialize DHCP client!\r\n");
   }

   //Start DHCP client
   error = dhcpClientStart(&dhcpClientContext);
   //Failed to start DHCP client?
   if(error)
   {
      //Debug message
      TRACE_ERROR("Failed to start DHCP client!\r\n");
   }
#else
   //Set IPv4 host address
   ipv4StringToAddr(APP_IPV4_HOST_ADDR, &ipv4Addr);
   ipv4SetHostAddr(interface, ipv4Addr);

   //Set subnet mask
   ipv4StringToAddr(APP_IPV4_SUBNET_MASK, &ipv4Addr);
   ipv4SetSubnetMask(interface, ipv4Addr);

   //Set default gateway
   ipv4StringToAddr(APP_IPV4_DEFAULT_GATEWAY, &ipv4Addr);
   ipv4SetDefaultGateway(interface, ipv4Addr);

   //Set primary and secondary DNS servers
   ipv4StringToAddr(APP_IPV4_PRIMARY_DNS, &ipv4Addr);
   ipv4SetDnsServer(interface, 0, ipv4Addr);
   ipv4StringToAddr(APP_IPV4_SECONDARY_DNS, &ipv4Addr);
   ipv4SetDnsServer(interface, 1, ipv4Addr);
#endif
#endif

#if (IPV6_SUPPORT == ENABLED)
#if (APP_USE_SLAAC == ENABLED)
   //Get default settings
   slaacGetDefaultSettings(&slaacSettings);
   //Set the network interface to be configured
   slaacSettings.interface = interface;

   //SLAAC initialization
   error = slaacInit(&slaacContext, &slaacSettings);
   //Failed to initialize SLAAC?
   if(error)
   {
      //Debug message
      TRACE_ERROR("Failed to initialize SLAAC!\r\n");
   }

   //Start IPv6 address autoconfiguration process
   error = slaacStart(&slaacContext);
   //Failed to start SLAAC process?
   if(error)
   {
      //Debug message
      TRACE_ERROR("Failed to start SLAAC!\r\n");
   }
#else
   //Set link-local address
   ipv6StringToAddr(APP_IPV6_LINK_LOCAL_ADDR, &ipv6Addr);
   ipv6SetLinkLocalAddr(interface, &ipv6Addr);

   //Set IPv6 prefix
   ipv6StringToAddr(APP_IPV6_PREFIX, &ipv6Addr);
   ipv6SetPrefix(interface, 0, &ipv6Addr, APP_IPV6_PREFIX_LENGTH);

   //Set global address
   ipv6StringToAddr(APP_IPV6_GLOBAL_ADDR, &ipv6Addr);
   ipv6SetGlobalAddr(interface, 0, &ipv6Addr);

   //Set default router
   ipv6StringToAddr(APP_IPV6_ROUTER, &ipv6Addr);
   ipv6SetDefaultRouter(interface, 0, &ipv6Addr);

   //Set primary and secondary DNS servers
   ipv6StringToAddr(APP_IPV6_PRIMARY_DNS, &ipv6Addr);
   ipv6SetDnsServer(interface, 0, &ipv6Addr);
   ipv6StringToAddr(APP_IPV6_SECONDARY_DNS, &ipv6Addr);
   ipv6SetDnsServer(interface, 1, &ipv6Addr);
#endif
#endif
}
